Re: [PATCH 1/7] phy: exynos-usb2: add vbus regulator support

From: Marek Szyprowski
Date: Tue Aug 25 2015 - 01:47:39 EST


On 2015-08-21 14:44, Kishon Vijay Abraham I wrote:
On Friday 21 August 2015 06:08 PM, Marek Szyprowski wrote:
Exynos USB2 PHY has separate power supply, which is usually provided by
VBUS regulator. This patch adds support for it. VBUS regulator is
optional, to keep compatibility with boards, which have VBUS provided
from some always-on power source.

Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
.../devicetree/bindings/phy/samsung-phy.txt | 3 +++
drivers/phy/phy-samsung-usb2.c | 25 ++++++++++++++++++++--
drivers/phy/phy-samsung-usb2.h | 2 ++
3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 60c6f2a633e0..0289d3b07853 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -44,6 +44,9 @@ Required properties:
- the "ref" clock is used to get the rate of the clock provided to the
PHY module
+Optional properties:
+- vbus-supply: power-supply phandle for vbus power source
how about using phy-supply?

I wanted to make it a bit more descriptive (vbus-supply is rather self explaining name)
and keep it in line with Exynos usb3-drd phy, which already supports vbus-supply.
If you think that this is a bad idea, a will use phy-supply then.

Best regards
Marek Szyprowski, PhD
Samsung R&D Institute Poland

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